* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --cream: #FAF7F2;
  --warm-white: #FDF9F4;
  --sage: #8A9E7E;
  --sage-light: #B8C9AF;
  --sage-dark: #5C7252;
  --terracotta: #C47A5A;
  --terracotta-light: #E8A98C;
  --charcoal: #2C2C2C;
  --mid-grey: #6B6B6B;
  --light-grey: #E8E3DC;
  --gold: #C9A96E;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--cream);
  color: var(--charcoal);
  font-size: 16px;
  line-height: 1.7;
}

h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 4rem;
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--light-grey);
}

.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--charcoal);
  text-decoration: none;
}

.nav-logo span { color: var(--sage-dark); }

.nav-actions a, .nav-actions button {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--mid-grey);
  background: none;
  border: none;
  cursor: pointer;
}

.nav-actions a:hover, .nav-actions button:hover { color: var(--sage-dark); }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
}

.page-title { font-size: 2.4rem; margin-bottom: 0.5rem; }
.page-sub { color: var(--mid-grey); margin-bottom: 2.5rem; }

.card {
  background: var(--warm-white);
  border: 1px solid var(--light-grey);
  border-radius: 4px;
  padding: 2.5rem;
  margin-bottom: 2rem;
}

.card h2 { font-size: 1.7rem; margin-bottom: 1.5rem; }

.logged-out-panel {
  text-align: center;
  padding: 5rem 1.5rem;
}

.logged-out-panel p { color: var(--mid-grey); margin-bottom: 1.5rem; }

.btn-primary {
  background: var(--sage-dark);
  color: white;
  padding: 0.9rem 2rem;
  border: none;
  border-radius: 2px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-primary:hover { background: var(--charcoal); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-field { display: flex; flex-direction: column; gap: 0.4rem; }

.form-field label {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mid-grey);
}

.form-field input, .form-field select {
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--light-grey);
  border-radius: 2px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  background: white;
}

.checkbox-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin: 1rem 0 1.5rem;
}

.checkbox-row label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--charcoal);
}

.results-panel { margin-top: 2rem; }

.macro-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.macro-stat {
  text-align: center;
  background: var(--cream);
  border-radius: 4px;
  padding: 1rem 0.5rem;
}

.macro-stat .value { font-family: 'Cormorant Garamond', serif; font-size: 1.8rem; color: var(--sage-dark); }
.macro-stat .label { font-size: 0.75rem; color: var(--mid-grey); text-transform: uppercase; letter-spacing: 0.05em; }

.meal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

.meal-card {
  background: var(--cream);
  border-radius: 4px;
  padding: 1.2rem;
}

.meal-type {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--terracotta);
  font-weight: 600;
}

.meal-card h4 { font-size: 1.2rem; margin: 0.3rem 0; }
.meal-card p { font-size: 0.9rem; color: var(--mid-grey); }
.meal-macros { font-size: 0.8rem !important; color: var(--sage-dark) !important; margin-top: 0.5rem; }

.plan-intro { font-size: 1.05rem; margin-bottom: 1rem; }
.plan-totals { font-size: 0.9rem; color: var(--mid-grey); margin-top: 0.5rem; }
.plan-gap { font-size: 0.9rem; color: var(--terracotta); margin-top: 0.8rem; font-style: italic; }
.loading, .error { color: var(--mid-grey); }
.error { color: var(--terracotta); }

@media (max-width: 640px) {
  nav { padding: 1rem 1.5rem; }
  .form-row, .macro-grid, .meal-grid { grid-template-columns: 1fr; }
}